3 files changed, 26 insertions, 0 deletions
diff --git a/target-m68k/cpu-qom.h b/target-m68k/cpu-qom.h
index 7f388ed..41b14ae 100644
--- a/target-m68k/cpu-qom.h
+++ b/target-m68k/cpu-qom.h
@@ -77,4 +77,7 @@ hwaddr m68k_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
 int m68k_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
 int m68k_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
 
+void m68k_cpu_exec_enter(CPUState *cs);
+void m68k_cpu_exec_exit(CPUState *cs);
+
 #endif
diff --git a/target-m68k/cpu.c b/target-m68k/cpu.c
index c9cff19..5a58d51 100644
--- a/target-m68k/cpu.c
+++ b/target-m68k/cpu.c
@@ -205,6 +205,9 @@ static void m68k_cpu_class_init(ObjectClass *c, void *data)
 #else
     cc->get_phys_page_debug = m68k_cpu_get_phys_page_debug;
 #endif
+    cc->cpu_exec_enter = m68k_cpu_exec_enter;
+    cc->cpu_exec_exit = m68k_cpu_exec_exit;
+
     dc->vmsd = &vmstate_m68k_cpu;
     cc->gdb_num_core_regs = 18;
     cc->gdb_core_xml_file = "cf-core.xml";
diff --git a/target-m68k/helper.c b/target-m68k/helper.c
index 8be9745..77225a2 100644
--- a/target-m68k/helper.c
+++ b/target-m68k/helper.c
@@ -864,3 +864,23 @@ void HELPER(set_mac_extu)(CPUM68KState *env, uint32_t val, uint32_t acc)
     res |= (uint64_t)(val & 0xffff0000) << 16;
     env->macc[acc + 1] = res;
 }
+
+void m68k_cpu_exec_enter(CPUState *cs)
+{
+    M68kCPU *cpu = M68K_CPU(cs);
+    CPUM68KState *env = &cpu->env;
+
+    env->cc_op = CC_OP_FLAGS;
+    env->cc_dest = env->sr & 0xf;
+    env->cc_x = (env->sr >> 4) & 1;
+}
+
+void m68k_cpu_exec_exit(CPUState *cs)
+{
+    M68kCPU *cpu = M68K_CPU(cs);
+    CPUM68KState *env = &cpu->env;
+
+    cpu_m68k_flush_flags(env, env->cc_op);
+    env->cc_op = CC_OP_FLAGS;
+    env->sr = (env->sr & 0xffe0) | env->cc_dest | (env->cc_x << 4);
+}